Alarm range of gas alarms in the ethylene oxide tank area
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How to set the alarm range for the gas alarm in the ethylene oxide tank area of the instrument?
Ethylene oxide is both a toxic gas and a Class A flammable gas; therefore, only toxic gas detectors are required in the tank area. The placement of these detectors should be carried out in accordance with the \"Design Code for Detection and Alarm of Flammable and Toxic Gases in Petrochemical Industries\" SH3063-1999, and the relevant details must be submitted to the instrumentation team.
1. In accordance with Article 5.1.4 of GB50160-92 \"Code for Fire Protection Design of Petrochemical Enterprises\": \"Alarm devices for combustible gases shall be installed in areas where Class A gases and liquids may leak.\" ” 2. It shall be installed in accordance with the relevant provisions of SH3063-1999 \"Design Code for Detection and Alarm of Flammable and Toxic Gases in Petrochemical Enterprises\", and care shall be taken to locate the alarm system in the main control room of the production facility. For reference!
Set it according to the explosion range of this product
For toxic media, it is not possible to determine the parameters based on the explosion range
The toxicity alarm limit for propylene oxide in my company is 50PPM
‘How to set the alarm range for the gas alarm in the ethylene oxide tank area of the instrument? ’ I believe the alarm range should be determined based on the maximum allowable concentration of ethylene oxide in the workshop air and its explosive limit.
Our company’s is 0-200ppm